What are the babies, exact implied ages, not age ranges, for Alexis's baby sister Ariana, & Alyssa's baby sister? The babies from Elmo's world. Alexis's baby sister Ariana, from the episode on getting dressed, and Alyssa's baby sister from the episode abo
In "Elmo's World," Alexis's baby sister Ariana is portrayed as a baby who is approximately 6 months old, while Alyssa's baby sister is depicted as about 1 year old.